A couple of the books, articles that I recommend for enterprising individuals:

On Startups & for Founders

• The Founder’s Dilemma, by Noam Wasserman
• Venture Deals, by Brad Feld
• Zero to One, by Peter Thiel
• $100 Startup, by Chris Guillebeau
• The 4-Hour Work Week, by Tim Ferris
• Essays, by Paul Graham
• How to Start a Startup, by Y Combinator

On Innovation and Strategic Thinking

• The Innovator’s Dilemma, by Clayton Christensen
• Value Proposition Design, by Alan Smith
• Business Model Generation, by Alexander Osterwalder
• Blue Ocean Strategy, by W. Chan Kim
• Playing to Win, by A. G. Lafley
• The Great Mental Models I, by Shane Parrish

On Company Building

• Stanford e-Corner
• Blitzscaling, by Greylock Partners + Blitzscaling Book by Reid Hoffman
• Rework, by 37 Signals
• Good to Great, by Jim Collins
• Startup CEO, by Matt Blumberg

On Creativity and Design Thinking

• Creative Confidence, by David and Tom Kelley
• Creativity Inc, by Ed Catmull
• Change by Design, by Tim Brown
• D.School Design Thinking Methodology

On Product Development

• Intercom on Product Management
• Product Manager HQ (Blog)
• Mind The Product (Blog)
• Getting Real, by 37 Signals
• The Design of Everyday Things, by Donald Norman
• The Lean Startup, by Eric Ries
• Don’t Make me Think, by Steve Krug
• Lean Analytics, by Alistair Croll
• Lean Product Playbook, by Dan Olsen
• Sprint, by Simon & Schuster
• What Customers Want, by Anthony Ulwick
• Competing Against Luck, by Clayton M. Christensen
• Hooked, by Nir Eyal

On People

• First Round Review (Blog)
• Software Lead Weekly (Blog)
• High Output Management, by Andy Grove
• Managing Humans, by Michael Lopp
• One Minute Manager, by Ken Blanchar
• Drive, by Daniel Pink
• The Culture Engine, by S. Chris Edmonds
• Exponential Organizations, by Salim Ismail

On Customer Service

• Delivering Happiness, by Tony Hsieh
• Intercom on Customer Support

On Sales & Business Development

• Getting to Yes, by Roger Fisher
• Spin Selling, by Neil Rackham
• The Challenger Sale, by Matthew Dixon
• Influence, by Robert Cialdini
• To Sell is Human, Daniel Pink
• Secrets of Closing the Sale, Zig Ziglar
• The Ultimate Sales Machine, Chet Holmes
• The New Strategic Selling, by Robert R. Miller
• The Psychology of Selling, Brian Tracy
• Storytelling for Influence, by IDEO

Feel free to share any recommendations of your own!